Home / 8,345.44-12,536.46-7,276.24

Finding the Fourth Proportional to 8,345.44, 12,536.46 and 7,276.24

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Solution

The fourth proportional to 8,345.44, 12,536.46 and 7,276.24 is: 10,930.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,345.44 : 12,536.46 = 7,276.24 : x
  2. Step 2: Convert to fraction form
    8,345.44/12,536.46 = 7,276.24/x
  3. Step 3: Cross multiply
    8,345.44x = 12,536.46 × 7,276.24
  4. Step 4: Simplify right side
    8,345.44x = 91,218,291.71
  5. Step 5: Solve for x
    x = 91,218,291.71/8,345.44
  6. Step 6: Final answer
    x = 10,930.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.